Home / 738,809.85-1,108,277.67-233,235.60

Finding the Fourth Proportional to 738,809.85, 1,108,277.67 and 233,235.60

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Solution

The fourth proportional to 738,809.85, 1,108,277.67 and 233,235.60 is: 349,873.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,809.85 : 1,108,277.67 = 233,235.60 : x
  2. Step 2: Convert to fraction form
    738,809.85/1,108,277.67 = 233,235.60/x
  3. Step 3: Cross multiply
    738,809.85x = 1,108,277.67 × 233,235.60
  4. Step 4: Simplify right side
    738,809.85x = 258,489,807,329.05
  5. Step 5: Solve for x
    x = 258,489,807,329.05/738,809.85
  6. Step 6: Final answer
    x = 349,873.26

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.